CASE function result with result expression values (for IN keyword)

I am trying to code a WHERE xxxx IN ('aaa','bbb','ccc') requirement but it the return values for the IN keyword changes according to another column, thus the need for a CASE function.

WHERE
GROUP.GROUP_ID = 2
AND DEPT.DEPT_ID = 'D'
AND WORK_TYPE_ID IN
(
CASE DEPT_ID
WHEN 'D' THEN 'A','B','C' <- ERROR
WHEN 'F' THEN 'C','D
ELSE 'A','B','C','D'
END
)

I kept on getting errors, like

Msg 156, Level 15, State 1, Line 44
Incorrect syntax near the keyword 'WHERE'.

which leads me to assume that the CASE ... WHEN ... THEN statement does not allow mutiple values for result expression. Is there a way to get the SQL above to work or code the same logic in a different manner in just one simple SQL, and not a procedure or T-SQL script.

AND

(

(CASE DEPT_ID = 'D' AND WORK_TYPE_ID IN ('A','B','C'))

OR
(CASE DEPT_ID = 'F' AND WORK_TYPE_ID IN ('A','B','C'))

OR
(CASE DEPT_ID != 'D' AND CASE DEPT_ID != 'F' AND

WORK_TYPE_ID IN ('A','B','C'))

)

Though this could lead to bad performance :-(

Jens K. Suessmeyer

http://www.sqlserver2005.de

|||Hi Jens,

Thanks for the reply . It works, and I agree with you that it could lead to performance degradation.

However, if the number of records involved are filtered and limited to, say under 1000 rows, it would still be managable ? Just a feeling, I know it is hard to quantify the expense of a query by just the row count alone.

Kenny

Can't we use variables in OPENQUERY, FREETEXT("@searchstring")?

I'm writing a stored procedure for a keyword search in a Word or PDF
doc which i've done through Index Server and linked the results to SQL
Server.
Part of my stored proc is shown below in which for a FREETEXT keyword
search i'm using a variable "@.searchstring", which i have to, is not
working.
I know it works with hard text but
Is there any way i can use a Variable in OPENQUERIES or is this my DEAD
END?
Can anyone please guide me how to use a variable in FREETEXT
Thanks in Advance
DECLARE @.searchstring varchar(22)
SET @.searchstring = 'aspnet'
SELECT * FROM OPENQUERY(FileSystem,'SELECT Directory, FileName,
DocAuthor, Size, Create, Write, Path FROM SCOPE(''
"c:\inetpub\wwwroot\sap-resources\Uploads" '') WHERE
FREETEXT(''@.searchstring'')')Hi,
You need to resort to dynamic SQL, i.e....
SET @.sql = 'SELECT TOP 50 *
FROM (
SELECT DISTINCT
kba.idKBArticle,
[Rank],
Characterization
FROM ( SELECT DISTINCT TOP 50 [FileName],
[Rank],
Characterization
FROM OPENQUERY( lsIndexServer,
''SELECT FileName, Rank, Characterization
FROM TORVERSRVH3.SQLServerUG2..SCOPE() WHERE ' + CASE
WHEN @.OpType='C' THEN 'CONTAINS' ELSE 'FREETEXT' END +
'( '' +
@.SearchKeywords + '' )'' )
WHERE LEFT( Characterization, 12 ) <>
''vti_encoding''
) AS qry
INNER JOIN KBArticle kba ON kba.ArticleFileName =
qry.[FileName]'
REMEMBER!!!!!! ====>>>>>>>
To prevent injection make absolutely sure you replace any single quotes with
2 single quotes...
-- this one fails and is subject to injection...
declare @.searchtext varchar(100)
set @.searchtext = 'tony''s injection'
exec( 'print ''' + @.searchtext + '''' )
go
-- this one works because prevent injection...
declare @.searchtext varchar(100)
set @.searchtext = 'tony''s injection'
set @.searchtext = REPLACE( @.searchtext, '''', ''' )
exec( 'print ''' + @.searchtext + '''' )
go
Tony Rogerson
SQL Server MVP
http://sqlserverfaq.com - free video tutorials
"savvy" <johngera@.gmail.com> wrote in message
news:1137755654.791956.239920@.z14g2000cwz.googlegroups.com...
> I'm writing a stored procedure for a keyword search in a Word or PDF
> doc which i've done through Index Server and linked the results to SQL
> Server.
> Part of my stored proc is shown below in which for a FREETEXT keyword
> search i'm using a variable "@.searchstring", which i have to, is not
> working.
> I know it works with hard text but
> Is there any way i can use a Variable in OPENQUERIES or is this my DEAD
> END?
> Can anyone please guide me how to use a variable in FREETEXT
> Thanks in Advance
> DECLARE @.searchstring varchar(22)
> SET @.searchstring = 'aspnet'
> SELECT * FROM OPENQUERY(FileSystem,'SELECT Directory, FileName,
> DocAuthor, Size, Create, Write, Path FROM SCOPE(''
> "c:\inetpub\wwwroot\sap-resources\Uploads" '') WHERE
> FREETEXT(''@.searchstring'')')
>|||Thanks for your help
i tried using above idea and some other examples.
The code shown below is working perfectly in the analyzer. I want to
create a view with the results
Is it possible ?
Thanks in Advance
DECLARE @.searchstring varchar(22)
SET @.searchstring = 'aspnet'
declare @.strSQL varchar(244)
select @.strSQL='select FileName,Path from scope(''''
"c:\inetpub\wwwroot\sap-resources\Uploads" '''') where contains ('
select @.strSQL=@.strSQL +char(39)+ char(39)+ @.searchstring +char(39)+
char(39)+')'
select @.strSQL='select * from openquery(FileSystem,'+ char(39)+
@.strSQL+ char(39)+ ')'
exec (@.strSQL)
Something like
CREATE VIEW FileSearchResults AS (@.strSQL)
which is not working|||Hi Savvy,
Sorry - you won't be able to create a view for that unless your search
string is hard-coded and never changes.
You could write a stored procedure that accepts the search string as a
parameter.
Tony.
Tony Rogerson
SQL Server MVP
http://sqlserverfaq.com - free video tutorials
"savvy" <johngera@.gmail.com> wrote in message
news:1137764139.455350.325970@.o13g2000cwo.googlegroups.com...
> Thanks for your help
> i tried using above idea and some other examples.
> The code shown below is working perfectly in the analyzer. I want to
> create a view with the results
> Is it possible ?
> Thanks in Advance
>
> DECLARE @.searchstring varchar(22)
> SET @.searchstring = 'aspnet'
> declare @.strSQL varchar(244)
> select @.strSQL='select FileName,Path from scope(''''
> "c:\inetpub\wwwroot\sap-resources\Uploads" '''') where contains ('
> select @.strSQL=@.strSQL +char(39)+ char(39)+ @.searchstring +char(39)+
> char(39)+')'
> select @.strSQL='select * from openquery(FileSystem,'+ char(39)+
> @.strSQL+ char(39)+ ')'
> exec (@.strSQL)
>
> Something like
> CREATE VIEW FileSearchResults AS (@.strSQL)
> which is not working
>|||Thank you very much for your help and time Tony Rogerson
This is my complete stored procedure which is perfectly working when i
hardcore the @.searchstring with the word which doesn't change.
I just want to use a variable working over there. Can u please help me
in this
Thanks in Advance
CREATE PROCEDURE SelectIndexServerCVpaths
(
@.searchstring varchar(100)
)
AS
IF EXISTS (SELECT TABLE_NAME FROM INFORMATION_SCHEMA.VIEWS
WHERE TABLE_NAME = 'FileSearchResults')
DROP VIEW FileSearchResults
EXEC ('CREATE VIEW FileSearchResults AS SELECT * FROM
OPENQUERY(FileSystem,''SELECT Directory, FileName,
DocAuthor, Size, Create, Write, Path FROM
SCOPE('''' "c:\inetpub\wwwroot\sap-resources\Uploads" '''') WHERE
FREETEXT(''''@.searchstring'''')'')')
SELECT * FROM CVdetails C, FileSearchResults F WHERE C.CV_Path =
F.PATH AND C.DefaultID=1
GO|||CREATE PROCEDURE SelectIndexServerCVpaths
(
@.searchstring varchar(100)
)
AS
SET @.searchstring = REPLACE( @.searchstring, '''', ''' )
IF EXISTS (SELECT TABLE_NAME FROM INFORMATION_SCHEMA.VIEWS
WHERE TABLE_NAME = 'FileSearchResults')
DROP VIEW FileSearchResults
EXEC ('CREATE VIEW FileSearchResults AS SELECT * FROM
OPENQUERY(FileSystem,''SELECT Directory, FileName,
DocAuthor, Size, Create, Write, Path FROM
SCOPE('''' "c:\inetpub\wwwroot\sap-resources\Uploads" '''') WHERE
FREETEXT('' + @.searchstring + '')'')')
SELECT * FROM CVdetails C, FileSearchResults F WHERE C.CV_Path =
F.PATH AND C.DefaultID=1
GO
Tony Rogerson
SQL Server MVP
http://sqlserverfaq.com - free video tutorials
"savvy" <johngera@.gmail.com> wrote in message
news:1137766282.280852.185740@.g14g2000cwa.googlegroups.com...
> Thank you very much for your help and time Tony Rogerson
> This is my complete stored procedure which is perfectly working when i
> hardcore the @.searchstring with the word which doesn't change.
> I just want to use a variable working over there. Can u please help me
> in this
> Thanks in Advance
> CREATE PROCEDURE SelectIndexServerCVpaths
> (
> @.searchstring varchar(100)
> )
> AS
> IF EXISTS (SELECT TABLE_NAME FROM INFORMATION_SCHEMA.VIEWS
> WHERE TABLE_NAME = 'FileSearchResults')
> DROP VIEW FileSearchResults
> EXEC ('CREATE VIEW FileSearchResults AS SELECT * FROM
> OPENQUERY(FileSystem,''SELECT Directory, FileName,
> DocAuthor, Size, Create, Write, Path FROM
> SCOPE('''' "c:\inetpub\wwwroot\sap-resources\Uploads" '''') WHERE
> FREETEXT(''''@.searchstring'''')'')')
> SELECT * FROM CVdetails C, FileSearchResults F WHERE C.CV_Path =
> F.PATH AND C.DefaultID=1
> GO
>|||Thanks for your Great help Tony
I have a strange problem its above code is working in the Query
Analyzer but not working if execute the stored procedure as shown below
i tried but i'm not able to figure out where the problem is
Thanks in Advance
Exec SelectIndexServerCVpaths
@.searchstring = 'aspnet'|||whats the error?
Tony Rogerson
SQL Server MVP
http://sqlserverfaq.com - free video tutorials
"savvy" <johngera@.gmail.com> wrote in message
news:1137770531.573885.223780@.f14g2000cwb.googlegroups.com...
> Thanks for your Great help Tony
> I have a strange problem its above code is working in the Query
> Analyzer but not working if execute the stored procedure as shown below
> i tried but i'm not able to figure out where the problem is
> Thanks in Advance
> Exec SelectIndexServerCVpaths
> @.searchstring = 'aspnet'
>|||I'm sorry Tony
i didn't copy the code properly in my stored procedure this part
exactly FREETEXT('' + @.searchstring + '')'')')
when i copied again
its working perfectly Tony
You dont know how much your help is worth to me
I cant just express in words
I needed to complete project today which i did with your help
Thank you very very very much Tony Rogerson|||I'm really grateful to you Tony
Thanks onceagain